Creating Termset and terms in Taxonomy using Sandboxe Solution in Sharepoint 2013

Question

I created a Sandboxed Solution, Added one Visual web part in that solution with one button control. Added Microsoft.Sharepoint.Taxonomy.dll Reference to the solution. Then in the button click event i wrote the following code:
SPSite site = SPContext.Current.Site;
            var taxonomySession = new TaxonomySession(site);
            var termStore = taxonomySession.DefaultSiteCollectionTermStore;
            lbl1.Text = termStore.ToString();
            var termStoreGroup = termStore.CreateGroup(txtTermSetGroupVal.Text);
            var termSet = termStoreGroup.CreateTermSet(txtTermSetCatNameVal.Text);
            termSet.CreateTerm("AAA", CultureInfo.CurrentCulture.LCID);
            termSet.CreateTerm("BBB", CultureInfo.CurrentCulture.LCID);
            termStore.CommitAll();
Then, I deployed this solution in one Publishing site. Added one new page in that site and Inserted this visual webpart in that page. When i click that button, I got the
following error,
Web Part Error: Unhandled exception was thrown by the sandboxed code wrapper's Execute method in the partial trust app domain: An unexpected error has occurred. Correlation ID: 49c1759c-5913-70a8-76e3-b2827260601a.[SPUserCodeSolutionExecutionFailedException:
Unhandled exception was thrown by the sandboxed code wrapper's Execute method in the partial trust app domain: An unexpected error has occurred.]

Answer 1

Hi,
The Yammer, OneDrive, Sites , My Sites and so on are buttons in the suite bar, the BROWSE, PAGE, SHARE etc. are the buttons in the ribbon, the two bars are added to the master
page automatically during the converting process.
A workaround is that we can hide the ribbon by using such a CSS code:
Best regards,
Patrick
Patrick Liang
TechNet Community Support